The Heating Element,electrical,immer, cataloged under National Stock Number 4520-01-017-8142, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Electro-Heat Inc. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-017-8142 |
| Primary Part Number | 3B269 |
| Item Name | Heating Element,electrical,immer |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Electro-Heat Inc |
| Status | ACTIVE |
| Flange Diameter | 16.000 INCHES NOMINAL IN |
| Phase | THREE SINGLE VOLTAGE |
| Frequency in Hertz | 60.0 |
| Terminal Quantity | 3 |
| Length | 42.000 INCHES MINIMUM AND 43.000 INCHES MAXIMUM IN |
| Voltage in Volts and Current Type | 440.0 AC SINGLE VOLTAGE |
| Body Style | FLANGE, TYPE |
| Hole or Slot Quantity | 12 |
| Flange Thickness | 1.250 INCHES NOMINAL IN |
| Maximum Wattage Rating in Watts | 64000.0 SINGLE VOLTAGE |
| Terminal Length | 3.688 INCHES NOMINAL IN |
| Element Connection Style | STUD TYPE |
| Terminal Box Environmental Protection | MOISTURE RESISTANT |
| Mounting Method Style | FLANGE TYPE MOUNTING FACILITY |
| Heat Quantity | 1 |
| Watt Density Rating | 28.0 PER SQUARE INCH SINGLE VOLTAGE |
| Bolt Circle Diameter | 14.250 INCHES NOMINAL IN |
| Conduit Opening Size | 1.500 INCHES NOMINAL IN |
| Element Radiation Spectrum | NONINFRARED |
| Material | STEEL SHEATH |
| Hole Diameter | 1.000 INCHES NOMINAL IN |
| Element Quantity | 24 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3B269 PRIMARY | Electro-Heat Inc (USA) |
| Reference | Meaning |
|---|---|
| 2MTD9730-3D54 | 5/9 Secondary reference Pall Corporation |
| 2MTE9730-3PC43 | 5/9 Secondary reference Pall Corporation |
NSN 4520-01-017-8142 is a Heating Element,electrical,immer, manufactured by Electro-Heat Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-017-8142 has 1 manufacturer part number on file: 3B269 (Electro-Heat Inc).
Key specifications for 3B269: Flange Diameter: 16.000 INCHES NOMINAL IN; Phase: THREE SINGLE VOLTAGE; Frequency in Hertz: 60.0; Terminal Quantity: 3. 22 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.